Home / 4,140.55-6,196.32-3,391.51

Finding the Fourth Proportional to 4,140.55, 6,196.32 and 3,391.51

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Solution

The fourth proportional to 4,140.55, 6,196.32 and 3,391.51 is: 5,075.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.55 : 6,196.32 = 3,391.51 : x
  2. Step 2: Convert to fraction form
    4,140.55/6,196.32 = 3,391.51/x
  3. Step 3: Cross multiply
    4,140.55x = 6,196.32 × 3,391.51
  4. Step 4: Simplify right side
    4,140.55x = 21,014,881.24
  5. Step 5: Solve for x
    x = 21,014,881.24/4,140.55
  6. Step 6: Final answer
    x = 5,075.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.